3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 #include <asm-offsets.h>
25 #include <ppc_asm.tmpl>
29 /**************************************************************************
32 * This table is used by the cpu boot code to setup the initial tlb
33 * entries. Rather than make broad assumptions in the cpu source tree,
34 * this table lets each board set things up however they like.
36 * Pointer to the table is returned in r1
38 *************************************************************************/
46 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to
47 * use the speed up boot process. It is patched after relocation to
50 #ifndef CONFIG_NAND_SPL
51 tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR, 4, AC_RWX | SA_G) /* TLB 0 */
53 tlbentry(CONFIG_SYS_NAND_BOOT_SPL_SRC, SZ_4K, CONFIG_SYS_NAND_BOOT_SPL_SRC, 4, AC_RWX | SA_G)
54 tlbentry(CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0, AC_RWX | SA_IG)
55 tlbentry(256 << 20, SZ_256M, 256 << 20, 0, AC_RWX | SA_IG)
59 * TLB entries for SDRAM are not needed on this platform.
60 * They are dynamically generated in the SPD DDR(2) detection
64 #ifdef CONFIG_SYS_INIT_RAM_DCACHE
65 /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
66 tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G)
69 tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_RW | SA_IG)
70 tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xC, AC_RW | SA_IG)
71 tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_RW | SA_IG)
73 tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD, AC_RW | SA_IG)
74 tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD, AC_RW | SA_IG)
75 tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_RW | SA_IG)
76 tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_RW | SA_IG)
78 /* PCIe UTL register */
79 tlbentry(CONFIG_SYS_PCIE_BASE, SZ_16K, 0x08010000, 0xC, AC_RW | SA_IG)
81 #if !defined(CONFIG_ARCHES)
82 /* TLB-entry for NAND */
83 tlbentry(CONFIG_SYS_NAND_ADDR, SZ_1K, CONFIG_SYS_NAND_ADDR, 4, AC_RWX | SA_IG)
85 /* TLB-entry for CPLD */
86 tlbentry(CONFIG_SYS_BCSR_BASE, SZ_1K, CONFIG_SYS_BCSR_BASE, 4, AC_RW | SA_IG)
88 /* TLB-entry for FPGA */
89 tlbentry(CONFIG_SYS_FPGA_BASE, SZ_16M, CONFIG_SYS_FPGA_BASE, 4, AC_RW | SA_IG)
92 /* TLB-entry for OCM */
93 tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4, AC_RWX | SA_I)
95 /* TLB-entry for Local Configuration registers => peripherals */
96 tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M, CONFIG_SYS_LOCAL_CONF_REGS, 4, AC_RWX | SA_IG)
98 /* AHB: Internal USB Peripherals (USB, SATA) */
99 tlbentry(CONFIG_SYS_AHB_BASE, SZ_1M, 0xbff00000, 4, AC_RWX | SA_IG)
101 #if defined(CONFIG_RAPIDIO)
102 /* TLB-entries for RapidIO (SRIO) */
103 tlbentry(CONFIG_SYS_SRGPL0_REG_BAR, SZ_16M, CONFIG_SYS_SRGPL0_REG_BAR,
105 tlbentry(CONFIG_SYS_SRGPL0_CFG_BAR, SZ_16M, CONFIG_SYS_SRGPL0_CFG_BAR,
107 tlbentry(CONFIG_SYS_SRGPL0_MNT_BAR, SZ_16M, CONFIG_SYS_SRGPL0_MNT_BAR,
109 tlbentry(CONFIG_SYS_I2ODMA_BASE, SZ_1K, 0x00100000,
115 #if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
117 * For NAND booting the first TLB has to be reconfigured to full size
118 * and with caching disabled after running from RAM!
120 #define TLB00 TLB0(CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M)
121 #define TLB01 TLB1(CONFIG_SYS_BOOT_BASE_ADDR, 1)
122 #define TLB02 TLB2(AC_RWX | SA_IG)
128 addi r4,r0,0x0000 /* TLB entry #0 */
131 tlbwe r5,r4,0x0000 /* Save it out */
134 tlbwe r5,r4,0x0001 /* Save it out */
137 tlbwe r5,r4,0x0002 /* Save it out */